US6034663A - Method for providing grey scale images to the visible limit on liquid crystal displays - Google Patents
Method for providing grey scale images to the visible limit on liquid crystal displays Download PDFInfo
- Publication number
- US6034663A US6034663A US08/814,569 US81456997A US6034663A US 6034663 A US6034663 A US 6034663A US 81456997 A US81456997 A US 81456997A US 6034663 A US6034663 A US 6034663A
- Authority
- US
- United States
- Prior art keywords
- pixel
- range
- display
- matrix
- grey scale
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000000034 method Methods 0.000 title claims abstract description 71
- 239000004973 liquid crystal related substance Substances 0.000 title description 7
- 239000011159 matrix material Substances 0.000 claims abstract description 111
- 238000013507 mapping Methods 0.000 claims abstract 8
- 238000009826 distribution Methods 0.000 claims description 11
- 238000010586 diagram Methods 0.000 description 19
- 230000008569 process Effects 0.000 description 11
- 230000003068 static effect Effects 0.000 description 9
- 230000033001 locomotion Effects 0.000 description 7
- 230000000007 visual effect Effects 0.000 description 7
- 230000009012 visual motion Effects 0.000 description 7
- 230000008859 change Effects 0.000 description 3
- 238000004886 process control Methods 0.000 description 3
- 230000004044 response Effects 0.000 description 3
- 238000013341 scale-up Methods 0.000 description 3
- 239000003086 colorant Substances 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000008447 perception Effects 0.000 description 2
- 230000007480 spreading Effects 0.000 description 2
- 238000003892 spreading Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T3/00—Geometric image transformation in the plane of the image
- G06T3/40—Scaling the whole image or part thereof
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/02—Improving the quality of display appearance
- G09G2320/0261—Improving the quality of display appearance in the context of movement of objects on the screen or movement of the observer relative to the screen
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/02—Improving the quality of display appearance
- G09G2320/0266—Reduction of sub-frame artefacts
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2330/00—Aspects of power supply; Aspects of display protection and defect management
- G09G2330/02—Details of power systems and of start or stop of display operation
- G09G2330/021—Power management, e.g. power saving
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/2007—Display of intermediate tones
- G09G3/2018—Display of intermediate tones by time modulation using two or more time intervals
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
- G09G3/3611—Control of matrices with row and column drivers
Abstract
Description
Rmin.sub.n =FG+Offset [Eq. 1]
Rmax.sub.n =Rmin.sub.n +(G-1) [Eq. 2]
TABLE 1 ______________________________________ Frame Number Value Range ______________________________________ F0 0-63 F1 64-127 F3 128-191 F4 192-255 ______________________________________
TABLE 2 ______________________________________ Frame Number Value Range ______________________________________ F255 2-255 F0 0-253 F1 254-251 . . . . . . F254 4-1 F255 2-255 F0 0-253 ______________________________________
Claims (23)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/814,569 US6034663A (en) | 1997-03-10 | 1997-03-10 | Method for providing grey scale images to the visible limit on liquid crystal displays |
US09/028,828 US6211859B1 (en) | 1997-03-10 | 1998-02-24 | Method for reducing pulsing on liquid crystal displays |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/814,569 US6034663A (en) | 1997-03-10 | 1997-03-10 | Method for providing grey scale images to the visible limit on liquid crystal displays |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US09/028,828 Continuation-In-Part US6211859B1 (en) | 1997-03-10 | 1998-02-24 | Method for reducing pulsing on liquid crystal displays |
Publications (1)
Publication Number | Publication Date |
---|---|
US6034663A true US6034663A (en) | 2000-03-07 |
Family
ID=25215458
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US08/814,569 Expired - Lifetime US6034663A (en) | 1997-03-10 | 1997-03-10 | Method for providing grey scale images to the visible limit on liquid crystal displays |
Country Status (1)
Country | Link |
---|---|
US (1) | US6034663A (en) |
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6208327B1 (en) * | 1998-07-31 | 2001-03-27 | International Business Machines Corporation | Camouflage of imaged post spacers and compensation of pixels that depart from nominal operating conditions by luminance diffusion |
US6211859B1 (en) * | 1997-03-10 | 2001-04-03 | Chips & Technologies, Llc | Method for reducing pulsing on liquid crystal displays |
US20020118158A1 (en) * | 2001-02-28 | 2002-08-29 | Tsunenori Yamamoto | Display apparatus |
US20020149598A1 (en) * | 2001-01-26 | 2002-10-17 | Greier Paul F. | Method and apparatus for adjusting subpixel intensity values based upon luminance characteristics of the subpixels for improved viewing angle characteristics of liquid crystal displays |
US20030076339A1 (en) * | 2001-10-23 | 2003-04-24 | Samsung Electronics Co., Ltd. | Apparatus and method for compensating image blocking artifacts |
US20050053121A1 (en) * | 2001-12-06 | 2005-03-10 | Ismail Lakkis | Ultra-wideband communication apparatus and methods |
US7088370B1 (en) * | 2000-09-28 | 2006-08-08 | Rockwell Automation Technologies, Inc. | Raster engine with programmable matrix controlled grayscale dithering |
US20080068404A1 (en) * | 2006-09-19 | 2008-03-20 | Tvia, Inc. | Frame Rate Controller Method and System |
US20080068396A1 (en) * | 2006-09-19 | 2008-03-20 | Tvia, Inc. | Gamma Uniformity Correction Method and System |
US20080068293A1 (en) * | 2006-09-19 | 2008-03-20 | Tvia, Inc. | Display Uniformity Correction Method and System |
US20080266207A1 (en) * | 2007-04-27 | 2008-10-30 | Hsiao-Ming Huang | Display Device and Related Driving Method Using Low Capacity Row Buffer Memory |
US20100109992A1 (en) * | 2008-10-31 | 2010-05-06 | Tpo Displays Corp. | Active matrix display devices and display methods thereof |
Citations (47)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3735182A (en) * | 1972-07-12 | 1973-05-22 | Ibm | Gray scale gas panel |
US3845243A (en) * | 1973-02-28 | 1974-10-29 | Owens Illinois Inc | System for producing a gray scale with a gaseous display and storage panel using multiple discharge elements |
US3937878A (en) * | 1975-01-21 | 1976-02-10 | Bell Telephone Laboratories, Incorporated | Animated dithered display systems |
US3967052A (en) * | 1975-07-17 | 1976-06-29 | Bell Telephone Laboratories, Incorporated | Image transmission method and apparatus |
US4021607A (en) * | 1973-05-19 | 1977-05-03 | Sony Corporation | Video display system employing drive pulse of variable amplitude and width |
US4074254A (en) * | 1976-07-22 | 1978-02-14 | International Business Machines Corporation | Xy addressable and updateable compressed video refresh buffer for digital tv display |
US4100579A (en) * | 1974-09-24 | 1978-07-11 | Hughes Aircraft Company | AC Operated flat panel liquid crystal display |
US4180813A (en) * | 1977-07-26 | 1979-12-25 | Hitachi, Ltd. | Liquid crystal display device using signal converter of digital type |
US4193095A (en) * | 1977-02-25 | 1980-03-11 | Hitachi, Ltd. | Driver system of memory type gray-scale display panel |
US4385293A (en) * | 1979-12-10 | 1983-05-24 | United Technologies Corporation | Gray shade operation of a large AC plasma display panel |
US4427978A (en) * | 1981-08-31 | 1984-01-24 | Marshall Williams | Multiplexed liquid crystal display having a gray scale image |
US4480460A (en) * | 1982-09-27 | 1984-11-06 | Square D Company | Compression tool |
US4486785A (en) * | 1982-09-30 | 1984-12-04 | International Business Machines Corporation | Enhancement of video images by selective introduction of gray-scale pels |
US4591848A (en) * | 1982-04-01 | 1986-05-27 | Seiko Epson Corporation | Matrix panel with an active driving system |
US4640582A (en) * | 1983-05-10 | 1987-02-03 | Kabushiki Kaisha Seiko Epson | System for driving a liquid crystal matrix display so as to avoid crosstalk |
US4644495A (en) * | 1984-01-04 | 1987-02-17 | Activision, Inc. | Video memory system |
US4648050A (en) * | 1983-07-15 | 1987-03-03 | Kabushiki Kaisha Toshiba | Color index conversion system in graphic display device |
US4654721A (en) * | 1985-04-12 | 1987-03-31 | International Business Machines Corporation | System for reproducing multi-level digital images on a bi-level printer of fixed dot size |
US4660030A (en) * | 1983-05-31 | 1987-04-21 | Seiko Epson Kabushiki Kaisha | Liquid crystal video display device |
US4688031A (en) * | 1984-03-30 | 1987-08-18 | Wang Laboratories, Inc. | Monochromatic representation of color images |
US4695884A (en) * | 1982-12-30 | 1987-09-22 | International Business Machines Corporation | Correction of shading effects in video images |
US4706077A (en) * | 1981-09-08 | 1987-11-10 | Xerox Corporation | Halftoning implementation for interactive image editing |
US4709995A (en) * | 1984-08-18 | 1987-12-01 | Canon Kabushiki Kaisha | Ferroelectric display panel and driving method therefor to achieve gray scale |
US4742346A (en) * | 1986-12-19 | 1988-05-03 | Rca Corporation | System for applying grey scale codes to the pixels of a display device |
US4743096A (en) * | 1986-02-06 | 1988-05-10 | Seiko Epson Kabushiki Kaisha | Liquid crystal video display device having pulse-width modulated "ON" signal for gradation display |
US4769713A (en) * | 1986-07-30 | 1988-09-06 | Hosiden Electronics Co. Ltd. | Method and apparatus for multi-gradation display |
US4775891A (en) * | 1984-08-31 | 1988-10-04 | Casio Computer Co., Ltd. | Image display using liquid crystal display panel |
US4779083A (en) * | 1985-03-08 | 1988-10-18 | Ascii Corporation | Display control system |
GB2204174A (en) * | 1987-04-23 | 1988-11-02 | Seiko Instr Inc | Electro-optical modulator |
US4791417A (en) * | 1983-03-01 | 1988-12-13 | Tadeusz Bobak | Display device |
US4805994A (en) * | 1986-03-18 | 1989-02-21 | Citizen Watch Co., Ltd. | Matrix drive liquid crystal display device with high horizontal resolution and low duty ratio |
US4827255A (en) * | 1985-05-31 | 1989-05-02 | Ascii Corporation | Display control system which produces varying patterns to reduce flickering |
US4860246A (en) * | 1985-08-07 | 1989-08-22 | Seiko Epson Corporation | Emulation device for driving a LCD with a CRT display |
US4872059A (en) * | 1986-02-07 | 1989-10-03 | Citizen Watch Co., Ltd. | System for driving a liquid crystal display panel |
US4908613A (en) * | 1986-09-20 | 1990-03-13 | Thorn Emi Plc | Display device |
US4921334A (en) * | 1988-07-18 | 1990-05-01 | General Electric Company | Matrix liquid crystal display with extended gray scale |
US4929058A (en) * | 1987-08-31 | 1990-05-29 | Sharp Kabushiki Kaisha | Method for driving a display device |
US4956638A (en) * | 1988-09-16 | 1990-09-11 | International Business Machines Corporation | Display using ordered dither |
US5053764A (en) * | 1987-10-09 | 1991-10-01 | Thomson Csf | System for the display of images in half tones on a matrix screen |
US5068649A (en) * | 1988-10-14 | 1991-11-26 | Compaq Computer Corporation | Method and apparatus for displaying different shades of gray on a liquid crystal display |
US5075683A (en) * | 1988-06-29 | 1991-12-24 | Commissariat A L'energie Atomique | Method and device for controlling a matrix screen displaying gray levels using time modulation |
US5185602A (en) * | 1989-04-10 | 1993-02-09 | Cirrus Logic, Inc. | Method and apparatus for producing perception of high quality grayscale shading on digitally commanded displays |
US5245328A (en) * | 1988-10-14 | 1993-09-14 | Compaq Computer Corporation | Method and apparatus for displaying different shades of gray on a liquid crystal display |
US5252959A (en) * | 1989-02-20 | 1993-10-12 | Seiko Epson Corporation | Method and apparatus for controlling a multigradation display |
US5337408A (en) * | 1991-08-09 | 1994-08-09 | Vadem Corporation | Multi-level display controller |
US5400044A (en) * | 1990-06-29 | 1995-03-21 | Acorn Computers Limited | Method and apparatus for producing grey levels on a raster scan video display device |
US5543819A (en) * | 1988-07-21 | 1996-08-06 | Proxima Corporation | High resolution display system and method of using same |
-
1997
- 1997-03-10 US US08/814,569 patent/US6034663A/en not_active Expired - Lifetime
Patent Citations (47)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3735182A (en) * | 1972-07-12 | 1973-05-22 | Ibm | Gray scale gas panel |
US3845243A (en) * | 1973-02-28 | 1974-10-29 | Owens Illinois Inc | System for producing a gray scale with a gaseous display and storage panel using multiple discharge elements |
US4021607A (en) * | 1973-05-19 | 1977-05-03 | Sony Corporation | Video display system employing drive pulse of variable amplitude and width |
US4100579A (en) * | 1974-09-24 | 1978-07-11 | Hughes Aircraft Company | AC Operated flat panel liquid crystal display |
US3937878A (en) * | 1975-01-21 | 1976-02-10 | Bell Telephone Laboratories, Incorporated | Animated dithered display systems |
US3967052A (en) * | 1975-07-17 | 1976-06-29 | Bell Telephone Laboratories, Incorporated | Image transmission method and apparatus |
US4074254A (en) * | 1976-07-22 | 1978-02-14 | International Business Machines Corporation | Xy addressable and updateable compressed video refresh buffer for digital tv display |
US4193095A (en) * | 1977-02-25 | 1980-03-11 | Hitachi, Ltd. | Driver system of memory type gray-scale display panel |
US4180813A (en) * | 1977-07-26 | 1979-12-25 | Hitachi, Ltd. | Liquid crystal display device using signal converter of digital type |
US4385293A (en) * | 1979-12-10 | 1983-05-24 | United Technologies Corporation | Gray shade operation of a large AC plasma display panel |
US4427978A (en) * | 1981-08-31 | 1984-01-24 | Marshall Williams | Multiplexed liquid crystal display having a gray scale image |
US4706077A (en) * | 1981-09-08 | 1987-11-10 | Xerox Corporation | Halftoning implementation for interactive image editing |
US4591848A (en) * | 1982-04-01 | 1986-05-27 | Seiko Epson Corporation | Matrix panel with an active driving system |
US4480460A (en) * | 1982-09-27 | 1984-11-06 | Square D Company | Compression tool |
US4486785A (en) * | 1982-09-30 | 1984-12-04 | International Business Machines Corporation | Enhancement of video images by selective introduction of gray-scale pels |
US4695884A (en) * | 1982-12-30 | 1987-09-22 | International Business Machines Corporation | Correction of shading effects in video images |
US4791417A (en) * | 1983-03-01 | 1988-12-13 | Tadeusz Bobak | Display device |
US4640582A (en) * | 1983-05-10 | 1987-02-03 | Kabushiki Kaisha Seiko Epson | System for driving a liquid crystal matrix display so as to avoid crosstalk |
US4660030A (en) * | 1983-05-31 | 1987-04-21 | Seiko Epson Kabushiki Kaisha | Liquid crystal video display device |
US4648050A (en) * | 1983-07-15 | 1987-03-03 | Kabushiki Kaisha Toshiba | Color index conversion system in graphic display device |
US4644495A (en) * | 1984-01-04 | 1987-02-17 | Activision, Inc. | Video memory system |
US4688031A (en) * | 1984-03-30 | 1987-08-18 | Wang Laboratories, Inc. | Monochromatic representation of color images |
US4709995A (en) * | 1984-08-18 | 1987-12-01 | Canon Kabushiki Kaisha | Ferroelectric display panel and driving method therefor to achieve gray scale |
US4775891A (en) * | 1984-08-31 | 1988-10-04 | Casio Computer Co., Ltd. | Image display using liquid crystal display panel |
US4779083A (en) * | 1985-03-08 | 1988-10-18 | Ascii Corporation | Display control system |
US4654721A (en) * | 1985-04-12 | 1987-03-31 | International Business Machines Corporation | System for reproducing multi-level digital images on a bi-level printer of fixed dot size |
US4827255A (en) * | 1985-05-31 | 1989-05-02 | Ascii Corporation | Display control system which produces varying patterns to reduce flickering |
US4860246A (en) * | 1985-08-07 | 1989-08-22 | Seiko Epson Corporation | Emulation device for driving a LCD with a CRT display |
US4743096A (en) * | 1986-02-06 | 1988-05-10 | Seiko Epson Kabushiki Kaisha | Liquid crystal video display device having pulse-width modulated "ON" signal for gradation display |
US4872059A (en) * | 1986-02-07 | 1989-10-03 | Citizen Watch Co., Ltd. | System for driving a liquid crystal display panel |
US4805994A (en) * | 1986-03-18 | 1989-02-21 | Citizen Watch Co., Ltd. | Matrix drive liquid crystal display device with high horizontal resolution and low duty ratio |
US4769713A (en) * | 1986-07-30 | 1988-09-06 | Hosiden Electronics Co. Ltd. | Method and apparatus for multi-gradation display |
US4908613A (en) * | 1986-09-20 | 1990-03-13 | Thorn Emi Plc | Display device |
US4742346A (en) * | 1986-12-19 | 1988-05-03 | Rca Corporation | System for applying grey scale codes to the pixels of a display device |
GB2204174A (en) * | 1987-04-23 | 1988-11-02 | Seiko Instr Inc | Electro-optical modulator |
US4929058A (en) * | 1987-08-31 | 1990-05-29 | Sharp Kabushiki Kaisha | Method for driving a display device |
US5053764A (en) * | 1987-10-09 | 1991-10-01 | Thomson Csf | System for the display of images in half tones on a matrix screen |
US5075683A (en) * | 1988-06-29 | 1991-12-24 | Commissariat A L'energie Atomique | Method and device for controlling a matrix screen displaying gray levels using time modulation |
US4921334A (en) * | 1988-07-18 | 1990-05-01 | General Electric Company | Matrix liquid crystal display with extended gray scale |
US5543819A (en) * | 1988-07-21 | 1996-08-06 | Proxima Corporation | High resolution display system and method of using same |
US4956638A (en) * | 1988-09-16 | 1990-09-11 | International Business Machines Corporation | Display using ordered dither |
US5068649A (en) * | 1988-10-14 | 1991-11-26 | Compaq Computer Corporation | Method and apparatus for displaying different shades of gray on a liquid crystal display |
US5245328A (en) * | 1988-10-14 | 1993-09-14 | Compaq Computer Corporation | Method and apparatus for displaying different shades of gray on a liquid crystal display |
US5252959A (en) * | 1989-02-20 | 1993-10-12 | Seiko Epson Corporation | Method and apparatus for controlling a multigradation display |
US5185602A (en) * | 1989-04-10 | 1993-02-09 | Cirrus Logic, Inc. | Method and apparatus for producing perception of high quality grayscale shading on digitally commanded displays |
US5400044A (en) * | 1990-06-29 | 1995-03-21 | Acorn Computers Limited | Method and apparatus for producing grey levels on a raster scan video display device |
US5337408A (en) * | 1991-08-09 | 1994-08-09 | Vadem Corporation | Multi-level display controller |
Cited By (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6211859B1 (en) * | 1997-03-10 | 2001-04-03 | Chips & Technologies, Llc | Method for reducing pulsing on liquid crystal displays |
US6208327B1 (en) * | 1998-07-31 | 2001-03-27 | International Business Machines Corporation | Camouflage of imaged post spacers and compensation of pixels that depart from nominal operating conditions by luminance diffusion |
US7088370B1 (en) * | 2000-09-28 | 2006-08-08 | Rockwell Automation Technologies, Inc. | Raster engine with programmable matrix controlled grayscale dithering |
US20020149598A1 (en) * | 2001-01-26 | 2002-10-17 | Greier Paul F. | Method and apparatus for adjusting subpixel intensity values based upon luminance characteristics of the subpixels for improved viewing angle characteristics of liquid crystal displays |
US6801220B2 (en) * | 2001-01-26 | 2004-10-05 | International Business Machines Corporation | Method and apparatus for adjusting subpixel intensity values based upon luminance characteristics of the subpixels for improved viewing angle characteristics of liquid crystal displays |
US7006113B2 (en) * | 2001-02-28 | 2006-02-28 | Hitachi, Ltd. | Display apparatus with pixels arranged in matrix |
US20020118158A1 (en) * | 2001-02-28 | 2002-08-29 | Tsunenori Yamamoto | Display apparatus |
US20030076339A1 (en) * | 2001-10-23 | 2003-04-24 | Samsung Electronics Co., Ltd. | Apparatus and method for compensating image blocking artifacts |
US7002607B2 (en) * | 2001-10-23 | 2006-02-21 | Samsung Electronics Co., Ltd. | Apparatus and method for compensating image blocking artifacts |
US20050053121A1 (en) * | 2001-12-06 | 2005-03-10 | Ismail Lakkis | Ultra-wideband communication apparatus and methods |
US20080068404A1 (en) * | 2006-09-19 | 2008-03-20 | Tvia, Inc. | Frame Rate Controller Method and System |
US20080068396A1 (en) * | 2006-09-19 | 2008-03-20 | Tvia, Inc. | Gamma Uniformity Correction Method and System |
US20080068293A1 (en) * | 2006-09-19 | 2008-03-20 | Tvia, Inc. | Display Uniformity Correction Method and System |
US20080266207A1 (en) * | 2007-04-27 | 2008-10-30 | Hsiao-Ming Huang | Display Device and Related Driving Method Using Low Capacity Row Buffer Memory |
US8314752B2 (en) | 2007-04-27 | 2012-11-20 | Novatek Microelectronics Corp. | Display device and related driving method using low capacity row buffer memory |
US20100109992A1 (en) * | 2008-10-31 | 2010-05-06 | Tpo Displays Corp. | Active matrix display devices and display methods thereof |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US5576731A (en) | Display line dispatcher apparatus | |
US5748163A (en) | Dithering process for producing shaded images on display screens | |
EP0681280B1 (en) | Vertical filtering method for raster scanner display | |
US6100872A (en) | Display control method and apparatus | |
US4808984A (en) | Gamma corrected anti-aliased graphic display apparatus | |
US5534883A (en) | Video signal interface | |
US6078304A (en) | Panel type color display device and system for processing image information | |
US6268890B1 (en) | Image display apparatus with selected combinations of subfields displayed for a gray level | |
US6034663A (en) | Method for providing grey scale images to the visible limit on liquid crystal displays | |
US6211859B1 (en) | Method for reducing pulsing on liquid crystal displays | |
JPH0775044A (en) | Method and device for detecting motion | |
EP0709824B1 (en) | Display control method and apparatus | |
CN104240672B (en) | A kind of video process apparatus and method | |
US5337408A (en) | Multi-level display controller | |
US6278437B1 (en) | Liquid crystal display apparatus | |
JP3619973B2 (en) | Color panel display device and image information processing method | |
CN100435087C (en) | Image data dithering method and apparatus | |
US6011538A (en) | Method and apparatus for displaying images when an analog-to-digital converter in a digital display unit is unable to sample an analog display signal at a desired high sampling frequency | |
US6081252A (en) | Dispersion-based technique for performing spacial dithering for a digital display system | |
JPH04304495A (en) | Liquid crystal display driving circuit | |
JP3811250B2 (en) | Driving method of liquid crystal display device | |
JPH05266204A (en) | Data plotter for liquid crystal display | |
JP3614334B2 (en) | Video signal processing device | |
JP3548666B2 (en) | Liquid crystal controller and liquid crystal display | |
AU672648B2 (en) | Display line dispatcher apparatus |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AS | Assignment |
Owner name: CHIPS & TECHNOLOGIES, INC., CALIFORNIA Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:KILLEBREW, CARRELL R. JR.;LIN, JIAN;CHANG, SHIH-HUA;REEL/FRAME:008626/0185 Effective date: 19970716 |
|
STCF | Information on status: patent grant |
Free format text: PATENTED CASE |
|
AS | Assignment |
Owner name: CHIPS AND TECHNOLOGIES, LLC, CALIFORNIA Free format text: MERGER;ASSIGNOR:CHIPS AND TECHNOLOGIES, INC.;REEL/FRAME:011333/0503 Effective date: 19981030 |
|
AS | Assignment |
Owner name: INTEL CORPORATION, CALIFORNIA Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:CHIPS AND TECHNOLOGIES, LLC;REEL/FRAME:011449/0081 Effective date: 20010103 |
|
CC | Certificate of correction | ||
FEPP | Fee payment procedure |
Free format text: PAYOR NUMBER ASSIGNED (ORIGINAL EVENT CODE: ASPN); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY |
|
FPAY | Fee payment |
Year of fee payment: 4 |
|
FEPP | Fee payment procedure |
Free format text: PAYER NUMBER DE-ASSIGNED (ORIGINAL EVENT CODE: RMPN); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY Free format text: PAYOR NUMBER ASSIGNED (ORIGINAL EVENT CODE: ASPN); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY |
|
FPAY | Fee payment |
Year of fee payment: 8 |
|
FPAY | Fee payment |
Year of fee payment: 12 |
|
AS | Assignment |
Owner name: CHIPS AND TECHNOLOGIES, LLC, CALIFORNIA Free format text: CORRECTIVE ASSIGNMENT TO CORRECT THE APPLICATION NUMBER FROM 09/207,014 TO 09/027,014 PREVIOUSLY RECORDED AT REEL: 011333 FRAME: 0503. ASSIGNOR(S) HEREBY CONFIRMS THE ASSIGNMENT;ASSIGNOR:CHIPS AND TECHNOLOGIES, INC.;REEL/FRAME:038824/0619 Effective date: 19981030 |